| Additional Authors: | Liebman, I., Watson, Richard W., Cheng, Lung., Furno, A. L. |
|---|---|
| Year: | 1983 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:8791 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 8791 |
| Subjects: | Coal mines and mining--Safety measures |
| Mechanical wear | |
| Coal-cutting bits | |
| Link: | https://hdl.handle.net/2027/mdp.39015078477570 |